code: def simplify_changepoints(name):
      """Simplifies a changepoint predictor name.
  
      Changes "changepoint" to "cp" to shorten the changepoint features' names.
      If ``cst.CHANGEPOINT_COL_PREFIX`` is not in the name, the original name will be returned.
  
      Parameters
      ----------
      name : `str`
          The predictor name.
  
      Returns
      -------
      simplified_name : `str`
          The simplified name.
      """
      name = name.replace(
          cst.CHANGEPOINT_COL_PREFIX, cst.CHANGEPOINT_COL_PREFIX_SHORT
      )
      return name
  
file_path: greykite/greykite/algo/common/col_name_utils.py
imports: import re
  from greykite.common import constants
label_desc: Use image node_id 3 for calling a global function with example usage: simplify_changepoints(name) and returns: name